src/PartSet/PartSet_Module.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include "PartSet_Module.h"
   4 #include <PartSet_WidgetSketchLabel.h>
   5 #include <PartSet_Validators.h>
   6 #include <PartSet_Tools.h>
   7 #include <PartSet_WidgetPoint2d.h>
   8 #include <PartSet_WidgetPoint2dDistance.h>
   9 #include <PartSet_WidgetShapeSelector.h>
  10 #include <PartSet_SketcherMgr.h>
  11
  12 #include <ModuleBase_Operation.h>
  13 #include <ModuleBase_IViewer.h>
  14 #include <ModuleBase_IViewWindow.h>
  15 #include <ModuleBase_IPropertyPanel.h>
  16 #include <ModuleBase_WidgetEditor.h>
  17 #include <ModuleBase_FilterFactory.h>
  18 #include <ModuleBase_FilterLinearEdge.h>
  19 #include <ModuleBase_FilterFace.h>
  20 #include <ModuleBase_FilterMulti.h>
  21 #include <ModuleBase_FilterCustom.h>
  22 #include <ModuleBase_FilterNoConsructionSubShapes.h>
  23
  24 #include <ModelAPI_Object.h>
  25 #include <ModelAPI_Events.h>
  26 #include <ModelAPI_Validator.h>
  27 #include <ModelAPI_Data.h>
  28 #include <ModelAPI_Session.h>
  29 #include <ModelAPI_ShapeValidator.h>
  30
  31 #include <GeomDataAPI_Point2D.h>
  32 #include <GeomDataAPI_Point.h>
  33 #include <GeomDataAPI_Dir.h>
  34
  35 #include <XGUI_Displayer.h>
  36 #include <XGUI_Workshop.h>
  37 #include <XGUI_OperationMgr.h>
  38 #include <XGUI_PropertyPanel.h>
  39 #include <XGUI_ModuleConnector.h>
  40 #include <XGUI_Tools.h>
  41
  42 #include <SketchPlugin_Feature.h>
  43 #include <SketchPlugin_Sketch.h>
  44 #include <SketchPlugin_Line.h>
  45 //#include <SketchPlugin_Arc.h>
  46 //#include <SketchPlugin_Circle.h>
  47 #include <SketchPlugin_ConstraintLength.h>
  48 #include <SketchPlugin_ConstraintDistance.h>
  49 #include <SketchPlugin_ConstraintParallel.h>
  50 #include <SketchPlugin_ConstraintPerpendicular.h>
  51 #include <SketchPlugin_ConstraintRadius.h>
  52 //#include <SketchPlugin_ConstraintRigid.h>
  53
  54 #include <Events_Loop.h>
  55 #include <Config_PropManager.h>
  56
  57 #include <StdSelect_TypeOfFace.hxx>
  58 #include <TopoDS_Vertex.hxx>
  59 #include <TopoDS.hxx>
  60 #include <TopoDS_Shape.hxx>
  61 #include <BRep_Tool.hxx>
  62
  63 #include <QObject>
  64 #include <QMouseEvent>
  65 #include <QString>
  66 #include <QTimer>
  67 #include <QApplication>
  68 #include <QMessageBox>
  69 #include <QMainWindow>
  70
  71 #include <GeomAlgoAPI_FaceBuilder.h>
  72 #include <GeomDataAPI_Dir.h>
  73
  74 #ifdef _DEBUG
  75 #include <QDebug>
  76 #endif
  77
  78 /*!Create and return new instance of XGUI_Module*/
  79 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
  80 {
  81   return new PartSet_Module(theWshop);
  82 }
  83
  84 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
  85   : ModuleBase_IModule(theWshop),
  86   myRestartingMode(RM_None)
  87 {
  88   //myWorkshop = dynamic_cast<XGUI_Workshop*>(theWshop);
  89   mySketchMgr = new PartSet_SketcherMgr(this);
  90
  91   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
  92   XGUI_Workshop* aWorkshop = aConnector->workshop();
  93
  94   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
  95   connect(anOpMgr, SIGNAL(keyEnterReleased()), this, SLOT(onEnterReleased()));
  96   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
  97           this, SLOT(onOperationActivatedByPreselection()));
  98
  99   ModuleBase_IViewer* aViewer = theWshop->viewer();
 100   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
 101           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
 102
 103   createActions();
 104 }
 105
 106 PartSet_Module::~PartSet_Module()
 107 {
 108   if (!myDocumentShapeFilter.IsNull())
 109     myDocumentShapeFilter.Nullify();
 110 }
 111
 112 void PartSet_Module::registerValidators()
 113 {
 114   //Registering of validators
 115   SessionPtr aMgr = ModelAPI_Session::get();
 116   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 117   aFactory->registerValidator("PartSet_DistanceValidator", new PartSet_DistanceValidator);
 118   aFactory->registerValidator("PartSet_LengthValidator", new PartSet_LengthValidator);
 119   aFactory->registerValidator("PartSet_PerpendicularValidator", new PartSet_PerpendicularValidator);
 120   aFactory->registerValidator("PartSet_ParallelValidator", new PartSet_ParallelValidator);
 121   aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
 122   aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
 123   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
 124   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
 125   aFactory->registerValidator("PartSet_SketchValidator", new PartSet_SketchValidator);
 126 }
 127
 128 void PartSet_Module::registerFilters()
 129 {
 130   //Registering of selection filters
 131   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 132   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 133
 134   aFactory->registerFilter("EdgeFilter", new ModuleBase_FilterLinearEdge);
 135   aFactory->registerFilter("FaceFilter", new ModuleBase_FilterFace);
 136   aFactory->registerFilter("MultiFilter", new ModuleBase_FilterMulti);
 137   Handle(SelectMgr_Filter) aSelectFilter = new ModuleBase_FilterNoConsructionSubShapes(workshop());
 138   aFactory->registerFilter("NoConstructionSubShapesFilter",
 139             new ModuleBase_FilterCustom(aSelectFilter));
 140 }
 141
 142 void PartSet_Module::registerProperties()
 143 {
 144   Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
 145                                    PLANE_SIZE);
 146   Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
 147                                    Config_Prop::Integer, SKETCH_WIDTH);
 148 }
 149
 150 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
 151 {
 152   if (theOperation->isEditOperation())
 153     return;
 154   // the selection is cleared after commit the create operation
 155   // in order to do not use the same selected objects in the restarted operation
 156   // for common behaviour, the selection is cleared even if the operation is not restarted
 157   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 158   if (!aContext.IsNull())
 159     aContext->ClearSelected();
 160
 161   /// Restart sketcher operations automatically
 162   FeaturePtr aFeature = theOperation->feature();
 163   std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 164             std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 165   if (aSPFeature && (myRestartingMode == RM_LastFeatureUsed ||
 166                      myRestartingMode == RM_EmptyFeatureUsed)) {
 167     myLastOperationId = theOperation->id();
 168     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
 169
 170     launchOperation(myLastOperationId);
 171   }
 172   breakOperationSequence();
 173 }
 174
 175 void PartSet_Module::breakOperationSequence()
 176 {
 177   myLastOperationId = "";
 178   myLastFeature = FeaturePtr();
 179   myRestartingMode = RM_None;
 180 }
 181
 182 void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 183 {
 184   breakOperationSequence();
 185 }
 186
 187 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 188 {
 189   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 190     mySketchMgr->startSketch(theOperation);
 191   }
 192   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 193     mySketchMgr->startNestedSketch(theOperation);
 194   }
 195
 196   if (myDocumentShapeFilter.IsNull())
 197     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
 198   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
 199 }
 200
 201 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 202 {
 203   if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
 204     mySketchMgr->stopSketch(theOperation);
 205   }
 206   else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
 207     mySketchMgr->stopNestedSketch(theOperation);
 208   }
 209   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 210 }
 211
 212 bool PartSet_Module::canUndo() const
 213 {
 214   bool aCanUndo = false;
 215   SessionPtr aMgr = ModelAPI_Session::get();
 216   if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
 217     aCanUndo = !aMgr->isOperation();
 218     if (!aCanUndo) // check the enable state additionally by sketch manager
 219       aCanUndo = aMgr->canUndo();
 220   }
 221   return aCanUndo;
 222 }
 223
 224 bool PartSet_Module::canRedo() const
 225 {
 226   bool aCanRedo = false;
 227   SessionPtr aMgr = ModelAPI_Session::get();
 228   if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
 229     aCanRedo = !aMgr->isOperation();
 230     if (!aCanRedo) // check the enable state additionally by sketch manager
 231       aCanRedo = aMgr->canRedo();
 232   }
 233   return aCanRedo;
 234 }
 235
 236 bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 237 {
 238   bool aCanDisplay = false;
 239   if (!mySketchMgr->canDisplayObject(theObject))
 240     return aCanDisplay;
 241   CompositeFeaturePtr aSketchFeature = mySketchMgr->activeSketch();
 242   if (aSketchFeature.get() != NULL) {
 243     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 244
 245     // MPV: the second and third conditions to avoid crash on exit for application
 246     if (aFeature.get() != NULL && aFeature->data().get() && aFeature->data()->isValid()) {
 247       if (aFeature == aSketchFeature) {
 248         aCanDisplay = false;
 249       }
 250       else if (aSketchFeature.get() && aSketchFeature->data().get() &&
 251                aSketchFeature->data()->isValid()) {
 252         for (int i = 0; i < aSketchFeature->numberOfSubs() && !aCanDisplay; i++) {
 253           FeaturePtr aSubFeature = aSketchFeature->subFeature(i);
 254           std::list<ResultPtr> aResults = aSubFeature->results();
 255           std::list<ResultPtr>::const_iterator aIt;
 256           for (aIt = aResults.begin(); aIt != aResults.end() && !aCanDisplay; ++aIt) {
 257             if (theObject == (*aIt))
 258               aCanDisplay = true;
 259           }
 260           if (aSubFeature == theObject)
 261             aCanDisplay = true;
 262         }
 263       }
 264     }
 265   }
 266   else {
 267     aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
 268   }
 269   return aCanDisplay;
 270 }
 271
 272 void PartSet_Module::addViewerItems(QMenu* theMenu) const
 273 {
 274   if (!PartSet_SketcherMgr::isSketchOperation(myWorkshop->currentOperation()) &&
 275       !isSketchFeatureOperationActive())
 276     return;
 277   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 278   QObjectPtrList aObjects = aSelection->selectedPresentations();
 279   if (aObjects.size() > 0) {
 280     bool hasFeature = false;
 281     foreach(ObjectPtr aObject, aObjects)
 282     {
 283       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 284       if (aFeature.get() != NULL) {
 285         hasFeature = true;
 286       }
 287     }
 288     if (hasFeature)
 289       theMenu->addAction(action("DELETE_PARTSET_CMD"));
 290   }
 291 }
 292
 293 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 294 {
 295   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
 296   if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
 297     // we have to manually activate the sketch label in edit mode
 298       aPanel->activateWidget(aPanel->modelWidgets().first());
 299       return;
 300   }
 301
 302   // Restart last operation type
 303   if ((theOperation->id() == myLastOperationId) && myLastFeature) {
 304     ModuleBase_ModelWidget* aWgt = aPanel->activeWidget();
 305     if (theOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 306       // Initialise new line with first point equal to end of previous
 307       PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 308       if (aPnt2dWgt) {
 309         std::shared_ptr<ModelAPI_Data> aData = myLastFeature->data();
 310         std::shared_ptr<GeomDataAPI_Point2D> aPoint =
 311           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
 312         if (aPoint) {
 313           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
 314           PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(),
 315             aWgt->attributeID(), aPoint->x(), aPoint->y());
 316           aPanel->activateNextWidget(aPnt2dWgt);
 317         }
 318       }
 319     }
 320   } else {
 321     // Start editing constraint
 322     if (theOperation->isEditOperation()) {
 323       // TODO: #391 - to be removed
 324       std::string aId = theOperation->id().toStdString();
 325       if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
 326           PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
 327         // Find and activate widget for management of point for dimension line position
 328         QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
 329         foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
 330           PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
 331           if (aPntWgt) {
 332             aPanel->activateWidget(aPntWgt);
 333             return;
 334           }
 335         }
 336       }
 337     }
 338   }
 339 }
 340
 341
 342 void PartSet_Module::onSelectionChanged()
 343 {
 344   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 345   if (!aOperation)
 346     return;
 347
 348   bool isSketcherOp = false;
 349   // An edit operation is enable only if the current opeation is the sketch operation
 350   if (mySketchMgr->activeSketch()) {
 351     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
 352       isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
 353   }
 354   if (isSketcherOp) {
 355     // Editing of constraints can be done on selection
 356     ModuleBase_ISelection* aSelect = myWorkshop->selection();
 357     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
 358     if (aSelected.size() == 1) {
 359       ModuleBase_ViewerPrs aPrs = aSelected.first();
 360       ObjectPtr aObject = aPrs.object();
 361       FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
 362       if (aFeature) {
 363         std::string aId = aFeature->getKind();
 364         if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
 365             (aId == SketchPlugin_ConstraintLength::ID()) ||
 366             (aId == SketchPlugin_ConstraintDistance::ID())) {
 367           editFeature(aFeature);
 368         }
 369       }
 370     }
 371   }
 372 }
 373
 374 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
 375 {
 376   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 377   XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
 378   anOpMgr->onKeyReleased(theEvent);
 379 }
 380
 381 void PartSet_Module::onEnterReleased()
 382 {
 383   myRestartingMode = RM_EmptyFeatureUsed;
 384 }
 385
 386 void PartSet_Module::onOperationActivatedByPreselection()
 387 {
 388   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 389   if(aOperation && isSketchFeatureOperationActive()) {
 390     // Set final definitions if they are necessary
 391     //propertyPanelDefined(aOperation);
 392
 393     /// Commit sketcher operations automatically
 394     aOperation->commit();
 395   }
 396 }
 397
 398 void PartSet_Module::onNoMoreWidgets()
 399 {
 400   if (isSketchFeatureOperationActive()) {
 401     ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 402     if (aOperation) {
 403       if (myRestartingMode != RM_Forbided)
 404         myRestartingMode = RM_LastFeatureUsed;
 405       aOperation->commit();
 406     }
 407   }
 408 }
 409
 410 void PartSet_Module::onVertexSelected()
 411 {
 412   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 413   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
 414     /// If last line finished on vertex the lines creation sequence has to be break
 415     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 416     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
 417     if (aWidgets.last() == aPanel->activeWidget()) {
 418       myRestartingMode = RM_Forbided;
 419     }
 420   }
 421 }
 422
 423 QWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
 424                                             Config_WidgetAPI* theWidgetApi, std::string theParentId,
 425                                             QList<ModuleBase_ModelWidget*>& theModelWidgets)
 426 {
 427   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 428   XGUI_Workshop* aWorkshop = aConnector->workshop();
 429   if (theType == "sketch-start-label") {
 430     PartSet_WidgetSketchLabel* aWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
 431     aWgt->setWorkshop(aWorkshop);
 432     connect(aWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
 433       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
 434     theModelWidgets.append(aWgt);
 435     return aWgt->getControl();
 436
 437   } else if (theType == "sketch-2dpoint_selector") {
 438     PartSet_WidgetPoint2D* aWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
 439     aWgt->setWorkshop(aWorkshop);
 440     aWgt->setSketch(mySketchMgr->activeSketch());
 441
 442     connect(aWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 443
 444     theModelWidgets.append(aWgt);
 445     return aWgt->getControl();
 446
 447   } if (theType == "point2ddistance") {
 448     PartSet_WidgetPoint2dDistance* aWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
 449     aWgt->setWorkshop(aWorkshop);
 450     aWgt->setSketch(mySketchMgr->activeSketch());
 451
 452     theModelWidgets.append(aWgt);
 453     return aWgt->getControl();
 454
 455   } if (theType == "sketch_shape_selector") {
 456     PartSet_WidgetShapeSelector* aWgt =
 457       new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 458     aWgt->setSketcher(mySketchMgr->activeSketch());
 459
 460     theModelWidgets.append(aWgt);
 461     return aWgt->getControl();
 462
 463   } if (theType == "sketch_constraint_shape_selector") {
 464     PartSet_WidgetConstraintShapeSelector* aWgt =
 465       new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
 466     aWgt->setSketcher(mySketchMgr->activeSketch());
 467
 468     theModelWidgets.append(aWgt);
 469     return aWgt->getControl();
 470
 471   } else
 472     return 0;
 473 }
 474
 475 bool PartSet_Module::isSketchFeatureOperationActive() const
 476 {
 477   bool isCurrentSketchOp = false;
 478   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
 479   if (aOperation) {
 480     FeaturePtr aFeature = aOperation->feature();
 481     std::shared_ptr<SketchPlugin_Feature> aSPFeature =
 482               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
 483     isCurrentSketchOp = aSPFeature.get() != NULL;
 484   }
 485   return isCurrentSketchOp;
 486 }
 487
 488 void PartSet_Module::createActions()
 489 {
 490   QAction* aAction = new QAction(QIcon(":pictures/delete.png"), tr("Delete"), this);
 491   addAction("DELETE_PARTSET_CMD", aAction);
 492 }
 493
 494 QAction* PartSet_Module::action(const QString& theId) const
 495 {
 496   if (myActions.contains(theId))
 497     return myActions[theId];
 498   return 0;
 499 }
 500
 501 void PartSet_Module::addAction(const QString& theId, QAction* theAction)
 502 {
 503   if (myActions.contains(theId))
 504     qCritical("A command with Id = '%s' already defined!", qPrintable(theId));
 505   theAction->setData(theId);
 506   connect(theAction, SIGNAL(triggered(bool)), this, SLOT(onAction(bool)));
 507   myActions[theId] = theAction;
 508 }
 509
 510 void PartSet_Module::onAction(bool isChecked)
 511 {
 512   QAction* aAction = static_cast<QAction*>(sender());
 513   QString anId = aAction->data().toString();
 514
 515   if (anId == "DELETE_PARTSET_CMD") {
 516     deleteObjects();
 517   }
 518 }
 519
 520 void PartSet_Module::deleteObjects()
 521 {
 522   bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(myWorkshop->currentOperation());
 523   if (!isSketchOp && !isSketchFeatureOperationActive())
 524     return;
 525
 526   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
 527   XGUI_Workshop* aWorkshop = aConnector->workshop();
 528
 529   XGUI_OperationMgr* anOpMgr = aWorkshop->operationMgr();
 530   if (!isSketchOp && anOpMgr->canStopOperation()) {
 531     ModuleBase_Operation* aCurrentOp = anOpMgr->currentOperation();
 532     if (aCurrentOp) {
 533       aCurrentOp->abort();
 534     }
 535   }
 536   // sketch feature should be skipped, only sub-features can be removed
 537   // when sketch operation is active
 538   CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
 539
 540   ModuleBase_ISelection* aSel = aConnector->selection();
 541   QObjectPtrList aSelectedObj = aSel->selectedPresentations();
 542
 543   std::set<FeaturePtr> aRefFeatures;
 544   foreach (ObjectPtr aObj, aSelectedObj)
 545   {
 546     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 547     //if (aPart) {
 548       // TODO: check for what there is this condition. It is placed here historicaly because
 549       // ther is this condition during remove features.
 550     //} else {
 551     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 552     if (aFeature.get() != NULL) {
 553       aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
 554     }
 555     //}
 556   }
 557
 558   QString aDescription = tr("Delete");
 559   if (!aRefFeatures.empty()) {
 560     QStringList aRefNames;
 561     std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 562                                          aLast = aRefFeatures.end();
 563     for (; anIt != aLast; anIt++) {
 564       FeaturePtr aFeature = (*anIt);
 565       if (aFeature == aSketch)
 566         continue;
 567       aRefNames.append((*anIt)->name().c_str());
 568     }
 569     if (!aRefNames.empty()) {
 570       QString aNames = aRefNames.join(", ");
 571       aDescription += aNames.prepend(" ");
 572
 573       QMainWindow* aDesktop = aWorkshop->desktop();
 574       QMessageBox::StandardButton aRes = QMessageBox::warning(
 575           aDesktop, tr("Delete features"),
 576           QString(tr("Selected features are used in the following features: %1.\
 577   These features will be deleted also. Would you like to continue?")).arg(aNames),
 578           QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
 579       if (aRes != QMessageBox::Yes)
 580         return;
 581     }
 582   }
 583
 584   SessionPtr aMgr = ModelAPI_Session::get();
 585   aMgr->startOperation(aDescription.toStdString());
 586   std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
 587                                        aLast = aRefFeatures.end();
 588   for (; anIt != aLast; anIt++) {
 589     FeaturePtr aRefFeature = (*anIt);
 590     if (aRefFeature == aSketch)
 591       continue;
 592     aRefFeature->document()->removeFeature(aRefFeature);
 593   }
 594
 595   foreach (ObjectPtr aObj, aSelectedObj)
 596   {
 597     DocumentPtr aDoc = aObj->document();
 598     //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
 599     //if (aPart) {
 600     //  if (aDoc == aMgr->activeDocument()) {
 601     //    aDoc->close();
 602     //  }
 603     //} else {
 604       //FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 605     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
 606     if (aFeature.get() != NULL) {
 607       aDoc->removeFeature(aFeature);
 608     }
 609     //}
 610   }
 611   aWorkshop->displayer()->updateViewer();
 612   //myDisplayer->updateViewer();
 613   aMgr->finishOperation();
 614 }